Misc: What is Tuesdays child if Mondays child is fair of face?

Questions

Acrophobia is a fear of ___________?

Actor Arnold Schwarzenegger bought the first Hummer manufactured for civilian use when?

Actually caused by layers of hot air refracting sunlight?

Acute infectious disease of the upper respiratory tract, caused by more than 100 kinds of viruses?

Acute, highly contagious viral disease, often fatal, that appears to have been completely eradicated?